BIO 448 MOLECULAR BIOLOGY OF DIFFERENTIATION

relatively simple cells - lack nuclear membrane and many organelles - bacteria and their relatives are all prokaryotic3. ___________ cells - more complex cells - have a

• Animal development; indirect and direct development, cleavage, morula, blastula, gastrula, early and late embryonic development, placenta, Differential gene expression;

Adult Structures Develop During Organogenesis Ectoderm, endoderm and mesoderm gradually.. rearrange themselves to organs that are characteristic of animal

• In animals, besides the programmed death of some cells (apoptosis), cell movements are also very important in

• In some animals, the original polar distribution of materials in the egg's cytoplasm varies as a result of fertilization...

• produced in one place, diffused and leads to the conclusion that different cells are exposed to different concentrations of morphogenes and thus develop in different ways,

• the number, limits, and polarity of the larval segments are determined by the proteins encoded by the segmentation genes. • maternal effect genes activate the segmentation

 The rifamycin antibiotic binds to the β subunit of RNA polymerase in bacteria, preventing transcription and is ineffective to archaea and eukaryotes..  Amanitin chemical